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<template>
  <div class="product-list-wrap">
    <div class="product-list-content">
      <header class="category-header wrap">
        <i class="nbicon nbfanhui" @click="goBack"></i>
        <div class="header-search">
          <i class="nbicon nbSearch"></i>
          <input
            type="text"
            class="search-title"
            placeholder="点击输入搜索条件"
            v-model="state.queryParams.requirement"
          />
        </div>
        <span class="search-btn" @click="getSearch">搜索</span>
      </header>
      <!-- <van-tabs type="card" color="#1baeae" @click-tab="changeTab">
        <van-tab title="推荐" name=""></van-tab>
        <van-tab title="新品" name="new"></van-tab>
        <van-tab title="价格" name="price"></van-tab>
      </van-tabs> -->

      
      <div class="van-hairline--top-bottom">
        <van-cell is-link title="筛选条件" @click="state.show = true" />
      </div>
    </div>

    <van-action-sheet v-model:show="state.show" :closeable="false" @close="getSearch" title="筛选条件">
      <van-form @submit="onSubmit">
        <van-cell-group inset style="padding-bottom: 50px;">
          <van-field name="radio" label="类型">
            <template #input>
              <van-radio-group
                v-model="state.queryParams.type"
                direction="horizontal"
              >
                <van-radio name="">全部</van-radio>
                <van-radio name="0">需求</van-radio>
                <van-radio name="1">商品</van-radio>
              </van-radio-group>
            </template>
          </van-field>
          <van-field
            v-model="state.queryParams.city"
            name="地点"
            label="地点"
            placeholder="地点"
          />
          <van-field v-model="state.queryParams.salaryDown" type="number" label="最低价" placeholder="最低价" />
          <van-field v-model="state.queryParams.salaryUp" type="number" label="最高价" placeholder="最高价" />
        </van-cell-group>
      </van-form>
    </van-action-sheet>

    <div class="content">
      <van-pull-refresh
        v-model="state.refreshing"
        @refresh="onRefresh"
        class="product-list-refresh"
      >
        <van-list
          v-model:loading="state.loading"
          :finished="state.finished"
          :finished-text="
            state.productList.length ? '没有更多了' : '搜索想要的商品'
          "
          @load="onLoad"
          @offset="10"
        >
          <!-- <p v-for="item in list" :key="item">{{ item }}</p> -->
          <template v-if="state.productList.length">
            <div
              class="product-item"
              v-for="(item, index) in state.productList"
              :key="index"
              @click="productDetail(item)"
            >
              <img :src="$filters.prefix(item.cover_img)" />
              <div class="product-info">
                <p class="name">{{ item.title }}</p>
                <p class="subtitle">{{ item.company_name }}</p>
                <span v-if="item.salary_up" class="price"
                  >￥ {{ item.salary_down }}~{{ item.salary_up }}</span>
                <span v-else class="price"
                  >￥ {{ item.salary_down }}</span>
              </div>
            </div>
          </template>
          <img
            class="empty"
            v-else
            src="https://s.yezgea02.com/1604041313083/kesrtd.png"
            alt="搜索"
          />
        </van-list>
      </van-pull-refresh>
    </div>
  </div>
</template>

<script setup>
import { reactive } from "vue";
import { useRoute, useRouter } from "vue-router";
import { search } from "@/service/good";
import { getKeyword } from "@/service/home";
const route = useRoute();
const router = useRouter();
const state = reactive({
  keyword: route.query.keyword || "",
  searchBtn: false,
  seclectActive: false,
  refreshing: false,
  list: [],
  loading: false,
  finished: false,
  productList: [],
  totalPage: 0,
  page: 1,
  orderBy: "",
  queryParams: {
    salaryDown: "",
    salaryUp: "",
    city: "",
    parentId: "",
    categoryId: "",
    type: "",
    pageNum: 1,
    pageSize: 12,
    requirement: "",
  },
  show: false,
});
const init = async () => {
  let { parentId, categoryId } = route.query;

  // if (!categoryId && !state.keyword) {
  //   state.finished = true;
  //   state.loading = false;
  //   return;
  // }

  state.queryParams.parentId = parentId;
  state.queryParams.categoryId = categoryId;

  const res = await getKeyword(state.queryParams);

  state.productList = state.productList.concat(res.items);
  state.totalPage = Math.ceil(res.total / state.queryParams.pageSize);
  state.loading = false;
  if (state.queryParams.pageNum >= state.totalPage) state.finished = true;
};

const goBack = () => {
  router.go(-1);
};

const productDetail = (item) => {
  router.push({ path: `/product/${item.id}` });
};

const getSearch = () => {
  state.queryParams.pageNum = 1
  onRefresh();
};

const onLoad = () => {
  if (!state.refreshing && state.page < state.totalPage) {
    state.queryParams.pageNum = state.queryParams.pageNum + 1;
  }
  if (state.refreshing) {
    state.productList = [];
    state.refreshing = false;
  }
  init();
};

const onRefresh = () => {
  state.refreshing = true;
  state.finished = false;
  state.loading = true;
  state.page = 1;
  onLoad();
};

const changeTab = ({ name }) => {
  console.log("name", name);
  state.orderBy = name;
  onRefresh();
};

const showScreen = () => {
  state.show = true;
};
</script>

<style lang="less" scoped>
@import "../common/style/mixin";
.product-list-content {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  z-index: 1000;
  background: #fff;
  .category-header {
    .fj();
    width: 100%;
    height: 50px;
    line-height: 50px;
    padding: 0 15px;
    .boxSizing();
    font-size: 15px;
    color: #656771;
    z-index: 10000;
    &.active {
      background: @primary;
    }
    .icon-left {
      font-size: 25px;
      font-weight: bold;
    }
    .header-search {
      display: flex;
      width: 76%;
      line-height: 20px;
      margin: 10px 0;
      padding: 5px 0;
      color: #232326;
      background: #f7f7f7;
      .borderRadius(20px);
      .nbSearch {
        padding: 0 5px 0 20px;
        font-size: 17px;
      }
      .search-title {
        font-size: 12px;
        color: #666;
        background: #f7f7f7;
      }
    }
    .icon-More {
      font-size: 20px;
    }
    .search-btn {
      height: 28px;
      margin: 8px 0;
      line-height: 28px;
      padding: 0 5px;
      color: #fff;
      background: @primary;
      .borderRadius(5px);
      margin-top: 10px;
    }
  }
}
.content {
  height: calc(~"(100vh - 70px)");
  overflow: hidden;
  overflow-y: scroll;
  margin-top: 78px;
}
.product-list-refresh {
  .product-item {
    .fj();
    width: 100%;
    height: 120px;
    padding: 10px 0;
    border-bottom: 1px solid #dcdcdc;
    img {
      width: 140px;
      height: 100px;
      padding: 0 10px;
      .boxSizing();
    }
    .product-info {
      width: 56%;
      height: 120px;
      padding: 5px;
      text-align: left;
      .boxSizing();
      p {
        margin: 0;
      }
      .name {
        width: 100%;
        max-height: 20px;
        line-height: 20px;
        font-size: 15px;
        color: #333;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
      }
      .subtitle {
        width: 100%;
        max-height: 40px;
        padding: 10px 0;
        line-height: 25px;
        font-size: 13px;
        color: #999;
        overflow: hidden;
      }
      .price {
        color: @primary;
        font-size: 16px;
      }
    }
  }
  .empty {
    display: block;
    width: 150px;
    margin: 50px auto 20px;
  }
}
</style>
